title: Fifty-four year old caucasian male with progressive fatigability.
mesh_terms: D000911:Antibodies, Monoclonal / Q000032:analysis; D003937:Diagnosis, Differential; D005221:Fatigue / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000175:diagnosis; D008258:Waldenstrom Macroglobulinemia / Q000150:complications / Q000175:diagnosis*
chemical_list: D000911:Antibodies, Monoclonal; D007136:Immunoglobulins